Active, heterogeneous supported bi-or tri-dentate olefin...

Details Active, heterogeneous supported bi-or tri-dentate olefin... Active, heterogeneous supported bi-or tri-dentate olefin...

C - Chemistry, Metallurgy

08

F

C08F 10/02 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2389587

A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate complex in certain prescribed proportions. The composition can be formed in a single step or in-situ in the polymerization reaction zone. The resultant catalyst has high activity and is capable of producing high molecular weight olefin products without reactor fouling.

Composition catalytique et procédé de polymérisation d'oléfines mettant en application le catalyseur obtenu. Cette composition contient un mélange d'un composé d'aluminium non aluminoxane, un oxyde inorganique et un complexe bidenté ou tridenté de métaux de transition selon des proportions déterminées. On peut obtenir cette composition en une seule étape ou in-situ dans la zone réactionnelle de polymérisation. Le catalyseur obtenu est extrêmement actif et permet de préparer des produits d'oléfine possédant un poids moléculaire élevé sans encrassement du réacteur.

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